The average home creates more pollution than does the average car.
33
Pumice is the only rock that floats on water.
14
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
No matter how cold it gets, gasoline will not freeze.
107
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65